{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735271",
    "entityType": "User",
    "nonce": "0xd7bf819aa2d595adae7090a972f242751725f4d2a02729858cacc1ec2b2308b2",
    "signature": "0xded191ddf20ea92835f99baee4ed6c05cb833fe560a6c16157b242022163a8ee25ebce743a3600c70fac0327e73a0dec8e0b14344868cd07b919418f04545dad1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}