{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0x49ad6f2b06a95062997dcdb940bdc97cb6d72d9a8204507e0c2855b7e5b53a94",
    "signature": "0xdf8eee3ad9ad4fb31eb276056053bbc1f205f39b9391c337f71e93b3363508143c82647dd145060f89285f0ef1849dd7f825ce14748abf3e061f5415a746f1791c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}