{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833426398",
    "entityType": "User",
    "nonce": "0x315075af80984d783487693319f7bc26c446beff7e6a5a2956c08d8699a23db1",
    "signature": "0x03b2d4611b68b65539cc0aa60d6dabcc01722aca2415b83870c1d789ccbdaf5569ccbc2e82e394fb5e71d034b3b5d8c76e3699875e99d74f0de2d23b3fc8cf8c1c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}