{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0x171be275f91fb3efd0a4b1fa06eba287cd3148cb1dfef7a7e0aa5086fc144bb6",
    "signature": "0xd27884831396ed8137592509f4fef127091da146c7ffaabc473665993e4d5a982c2bd192dcc5c0fce2a07f9082b6518fbb433442cd6c2ada6e180da7da58b8fa1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}