{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x144b62506127c2eccfb58210ba462620c072d29a762b27e55d42f353bebacb0b",
    "signature": "0xdea52ec5b0d75833c5bd9054470c13e231823b3d9a98bdc9137fe9e0a1e9245e7edff5d5057a5e04f4f5b15a5ce6cdc1951217bda8b5e01dc7dd3b7713eea3981b",
    "signer": "0xcBEfa88Fa365b5f3Fb8A75116D2be36F65EDEbd2",
    "userId": "908398457"
  }
}