{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59719",
    "entityType": "User",
    "nonce": "0xda1687f389e51d2acb5b2965d8472c267933424274d66b81a80c51e7e66ba6bb",
    "signature": "0x6596a63505201cb2c0eafe1e007e8ad244f4c269bb55c8b02ff6d6f31cd3bc97401ff8b549ff5e330943a8e2c78666108f20167072f00557c944a3d9d302dd601c",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}