{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49108",
    "entityType": "User",
    "nonce": "0x18e0519b1ba62493561f2924606dcb653399df97968e444868d98aea4d075c79",
    "signature": "0x865bab904261d686923e3975d82fcbe0aa71fc350cc343854b19185fa1a8bdf72c0d1e88bd2d9de479d2a3f7c66736cefdadee04f78995606b30433ccf53df151b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}