{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364447",
    "entityType": "User",
    "nonce": "0xcbffbaeb386fc08a5631dd052daa704ad09c4fda60dc3c33edf0256e4de40432",
    "signature": "0x58fb5f5f156c5068fc422e6face0d5cbc0b8abe45a9f0fa8c06192c2986173401650b809fab2549cafcebae0e1927a7508f5ff9f3a0171cf85877fe6b02b83fd1b",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}