{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "909119422",
    "entityType": "User",
    "nonce": "0xaaa9572235157011a3d1936eb4867d341b944139e05840ace429265348412e64",
    "signature": "0x895d1c6b487ecf832ab004a13f3ca5fd5841842d60e9d7d51d0e1265e7c8e44e36485f8242c207b9722842be5e0441d731b04d46e36131a485a13f6e749f580b1c",
    "signer": "0x94E759216912974919d4fB4451CF9A9E64e8b976",
    "userId": "644958352"
  }
}