{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9f65e22d65b465fe5b7cae8b9d68e6b9e2a4aaa84f0bce1433d1bc3ef7cb13e1",
    "signature": "0xd25e728cd7ccad864d094e5e2f394aa77aef1d9db045976f9208d30c1927af9b2471848d12126d9b862287c56750005a58df44a15cea83d019f299cbb10a1c6a1c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}