{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0xf757ce68692ae50147fd6971ecac1e05ba1788765f17a0ceaf83e4352a898032",
    "signature": "0xf3ab05d862216234113d08eca1e1f1985e68b8d3e48f23c1205c50ded02487a321574f680027b7ba18acc02660f5943e92f6789cd17616b07fe12238630e92921b",
    "signer": "0xE92B30ef20734795CF0471Ecf7e3725c78D905B4",
    "userId": "460692842"
  }
}