{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149098",
    "entityType": "User",
    "nonce": "0x4aacc9574d3e630883abf52dff22c917e22c25b4d7ca364133d0abc9ad5bd611",
    "signature": "0xd31d8fccbb1c06312528e648fc6a9df76858d07b7e41053cb8d99e9e84cbe7cf0e98f4db4666d12fc89eecf76c510c48dac694777f2804e3ea14f4a5015135de1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}