{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xeb7baa8f701eb716f1aa046228e7191e161d71d77b37d97f735eb730ae5d3633",
    "signature": "0x7909f5f5ee8423f8daa6a94a69cf94496d258ba275a5cba3cffd7109b6930bd06584f46638ed7a3d976044614f4277f22311198d93f7cecec927a9042fde6f211c",
    "signer": "0xA7D206a8f2b63986B1Af437a01CFbCDCcE69601e",
    "userId": "856769027"
  }
}