{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871324932",
    "entityType": "User",
    "nonce": "0x404afedf5b0b32045a914dff7e9b61920ded229dc6bcf8563669e0799b299392",
    "signature": "0x920c30910aff5f4232dfc5d8c99e15d63baddb2330a23a36860a9385da6786826cc1b9aaf7355c13ab9a05738d7f1003a7f4e87e715c6c21bf569314b332ac831c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}