{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136120",
    "entityType": "User",
    "nonce": "0xf3fad14c4dda4bc192aa6349fbc0df2c34eecf76ee9b83903d248a30a7ec8f04",
    "signature": "0xde896f7142d3ae9661dfadc868af0b22897414c4c44f518100bb6a6dfb7c01205f65a2e81de328f65a2fb02c31d9ec31cd21c06dceb4308cb32fccf3b88c894b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}