{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "252947",
    "entityType": "User",
    "nonce": "0x4377addbb2308f1b1307c1bcfd91b0923370765971878e9fe6e8f29ee0b0acce",
    "signature": "0x81021b3cf02c4f75906dc4eb1df726e2fda33bcd378b73e37fda338926d1029b308fdc54702dfaa472375f522c4728fd846d6e59243b4c3af535682b1052e2ed1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}