{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa79fce43fba5f8c7f27134a7c4c7b54cc9db41da8164731d45ced5cde8b78cc9",
    "signature": "0x5de5c759573faa965d8724701a36f6c24811ac96542ba16435b66cc222f70c7915a3c5faa88db5740e39881b3ffb23227cd22b359ed81d57da0d4fec3df399cc1c",
    "signer": "0xC3292D1c5a77306Fc761537D80c8EeBAfF3b8Bdc",
    "userId": "3964985"
  }
}