{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xae3e5b2ffee1828a78b8d35c7be11ae195c866f63080e63fd0ab2b94c92afa9a",
    "signature": "0x0685a47fffc5d9e8e356c65618e14414e8b2a5b6c2d3c7ba855ec3ac9b68a236452800670ca3fa120cc1e486a450d7f9b36aad724e34db53af163d1ba87ec6941c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}