{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12442",
    "entityType": "User",
    "nonce": "0x7163783d1c108cc3ae49f69344a1e10590d987d091ec2bb98dd3ce06c4357c44",
    "signature": "0xa65e7b1992e1464e12c8f904b17590cfc1db278a99ff802d76a5dc57bfd4c69703fc6544b2f0b129511ebafc33020add352e6be2d9fba83fc9883a7e7aba67631b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}