{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137304",
    "entityType": "User",
    "nonce": "0x2d0bfc525fe0beef6bf0884a3a38f9b7039f806170e4aed4aabe77666780a114",
    "signature": "0xc5eefccef978d8789b9959007639be6efc3eb6439c4a4d3f27f4b33ee7f52de822bf94af063fa2279d3c9c1706c997ffe5ebd1823f307ada0dbba2759f05ea9a1b",
    "signer": "0xF7F56DF4D8a2Ae2BF9Ca645DC684f84c37BbDaFe",
    "userId": "116272245"
  }
}