{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "983989982",
    "entityType": "User",
    "nonce": "0x0979b37394642a333d1900fcbbe40f4ee156ddc03e08f80f2db45a8f98761804",
    "signature": "0x086d7a06851b3eddec7a3343c4156ae78c3226896d598ebc099152a26e4b152e62128e7004e61f784f6b28ce9cfc08e42f9094ef00cb7c19e2ff47706fe36e3e1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}