{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2686",
    "entityType": "User",
    "nonce": "0x8023aab84bcad34fbf502e08c2008fd2bea748c7d4a7bbbb1857bbed91f05bdb",
    "signature": "0x60e9f37c4641753681641e126c7f82bcbf28db6b5e6a499dc8f195a79ba2fabe6b5556c37b26d75c525a3525671424d668f15dd90f3323f76f8b2813983226ad1c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}