{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0x79a4ae9c73364c6c567153ec790f17853354e5e58042c58f24caf322d44f3601",
    "signature": "0x85e30baaaddb6b500a269bf6a878a3db6325bec837602857e1e0d794f74ef5b05e9e30e00446d1b599b76fd4ccf8d36a5ef99d76a137ce7e9cf9946a4bd554ff1b",
    "signer": "0x18356cfD8fCEF0CfA9c1317D9538cf9f94734021",
    "userId": "855397745"
  }
}