{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa3a5527107215958f2963ecc9c5ca3f75037d48e463fdb1a778a4b15a9855b90",
    "signature": "0xa706d16793c927c93fe057026f8cddc5bb992c19908bac635e45e2a61ba768ed763de2133c5aeacab7e3ae53dd3c343f66281fdf1e68538d076c2cb6b91572a61c",
    "signer": "0x04483834161F457267c950e4f298e54Ea3D6d386",
    "userId": "469444589"
  }
}