{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc5ccd9d9fdb28675d5c057010cc9eaabcf0b572d1cf75048cb3d379b71067d39",
    "signature": "0x9ad63b8dad103cfa2e8a2c91e0c86ab674cadbfda66a477263ddc1db2e3a85b370951bfe635afc42809a768ff6c939db5cc55cf4fe52bca9846e1ced5b86d4ba1b",
    "signer": "0xCF37605ee4b144e8878B9A159031027881CBa2B4",
    "userId": "36669256"
  }
}