{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166684",
    "entityType": "User",
    "nonce": "0x3eac80ae69528a778979a641f7a3cf84118489f21bfd922d8651d597f11e90c4",
    "signature": "0x58a51fbf9320b4bc320a856401e8691fbc88525bcb0ab4b90d4ac97a543e0de3080117913438470b66512aeaf1a991a12acc3ead025b698b48a4569d09823b401c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}