{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xee2a14184c2633db605a0186ec1bd34cefe385c54c2a5e6967211cf7af0a76c4",
    "signature": "0xf0f3905807f2842510003a29bc057ea4963158c971f22388968a664f4343f9b22cec01833de2cb9a2f303b6e9a03686711aca8ea61e13d2707db880d019bf8af1b",
    "signer": "0xBF257651CD86764755C0fB349FC1b95fecDA830a",
    "userId": "536394716"
  }
}