{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57347",
    "entityType": "User",
    "nonce": "0x43919ed935ac565e5406d5a06b49a6be73135bce21c5bce79c890015651f269c",
    "signature": "0xc528785f5160bd738b7d5113f3cacc12ac9760d9a2ecf0f74dcc862272509bcd7b95bcd8c55d88895c8adf6f07dca6c817a2297a371428852019d34f18927a611c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}