{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81606637",
    "entityType": "User",
    "nonce": "0xcc66575845812a7e91375b8c8a9a834dca002cfdfc6047c24ddf50b7a8814bc7",
    "signature": "0xd6bd252e287764c14ce7a2340083e266a35fd00fe267b4c88dc7667dd5b382483306f9c8750bb05ac2a9436fbb314dc7427b1062e5e8d4b6629252a301aaed841b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}