{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9ee410e25399a5a4c5de5ee124498f1e20e5513e40d49a067e3d37d0939e7f23",
    "signature": "0x769832e3baf475b100bd60906273aa4977faa599eb7be1f7f9bb1a7eddbd35c735b41e5cda197189dd177d5fc702304706cc5397b362e8c0a3e945189fb8f3e71c",
    "signer": "0x0E61a35f733b35164dBeaa16C4245d7F5c3a2761",
    "userId": "223426758"
  }
}