{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xc69f28ab48656033e4636ecb53e579f3da10082cc44e339e63c2f15e1a1282fb",
    "signature": "0x4093b1ea4edebeaf9eb4e99d53fb1c7435a423e1e685272c90aaaec6414e9a4556b961fe0fc2f8dac1f8fdc348ea75d2a2eb0bb9d5dd3958397ea0b57017fd941c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}