{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7304",
    "entityType": "User",
    "nonce": "0x6ef7a9a0075c3a3895d29859cb4b2a246bcef5ce835060c7ae7beef9a0594291",
    "signature": "0x1d66e59fa78c5ae1af384f6aa1f35dbabc1dac2aa9d291fec73f2d86b35accea6a28e43ee4e894875bc48f2614e8affe8bc09f1968d27ad7bcf29c0414f66f261c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}