{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164276",
    "entityType": "User",
    "nonce": "0x534d0df0cde7659528da770adba97f0ba8a724ca1e9549bbd3544ece880b2654",
    "signature": "0x599d0fc316f05e5519aa7913a1e15ee99c7e36ff795327b087c60b568aca3be0459b6640d5aaf38f6900a06d325603a8e427b2001ee14c83ab22c09fac27027f1b",
    "signer": "0x7094144C776594790B5E922D084562dB60549BD8",
    "userId": "602217700"
  }
}