{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159144",
    "entityType": "User",
    "nonce": "0x3f97ed0cf6b471c4b59e09a14f76dbfddad20ea659166c2ac7dab43f7a1c9d19",
    "signature": "0xa2420a13c67d9a9cd1cab7996d74e3174f96db69198ed7179e5e3a906c8dad6017b4c21b621346dee3329cf4f300a0f6b161b0a01c8aafa8896f10fa490191581b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}