{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318220",
    "entityType": "User",
    "nonce": "0x43a3ba1b67b71a7f335405580303ce129b3b1f7600e05186dac9945b8bae5600",
    "signature": "0xb0cbba19c38b5f026745df40b46258927222d33c5cb0ecd8ac7bfffe8f741c410b8cce414e21b89090db18d98dd25b163e760e5940f19a14b98a706757135bb41b",
    "signer": "0x417191f925afbbD146e7Dc43a25a615063bD4A6C",
    "userId": "829113944"
  }
}