{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157630",
    "entityType": "User",
    "nonce": "0x38a2b65404003a8538be6b440982b9f012d6cc09d4f192d40f5b293fa4fc2070",
    "signature": "0xf507c3b1a8468600813809e84b06059a447ffc76beb857ec6cfe00f92fb381de7a3121818f15d06bbcb0bae7d827234dae23adb6e87754ad12c0fa27ee901a861c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}