{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39181",
    "entityType": "User",
    "nonce": "0xdecc03d3de393ec68f112379c85730fc51e6eca2c748cc42fb3d4af8dc642b42",
    "signature": "0x8f9c43428f9432ed9b837a46fb8e7a9eecdd866b3db7787fb64ef40b19a6a7d10301ebf82c36f6d308617aace3984c1aee5365cee6a98a1e1209d26779985b861c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}