{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xc835246ad18ad050e64ce7a49367d0ceb976f45db65f032cfabbe98c8f0ed884",
    "signature": "0x1c0704c99d2fc7b2fbb69e24a7d9b05b252b7aca6e768cc26dc8916b61232f7553bec5723fae9f00894e97e953d8c2ce7ff0a0a0deaff617709787cb8f3dd7571b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}