{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232258693",
    "entityType": "User",
    "nonce": "0xfd4250518810a6e68b482abeccc6551abb0cb2b404c6e3f0f36c895dbb65e1dd",
    "signature": "0xafd674ff7b1c3ba52edbc45039085e551eaa723a47a8f75d1623e3dce3fcdbf85599e46f67f3c8dbedf34512e1c59cf2ca08cf700b8f66e19dc02a0d08ff3cc51b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}