{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73216",
    "entityType": "User",
    "nonce": "0xc185c902d039c0c8bcb424338c70948c36aec2a22c663ce37a02fbf21c66abf8",
    "signature": "0x476b7b8b0850d66df174ab3037f2db60752ad5c6079947061b11cf6203121c1f7ac367c88553ce13d4f9408f72ec5ccd52e724ea76cd0d58baf7ee1c9ead896c1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}