{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x7395177b5368b0f0344d65ef5a54fa56aa2444dcf7a46b92d1bd0db8fb9bf456",
    "signature": "0xf77637a8efa65b98fb39e53078e5b966521c288b6f736b9e1af49aa9c400017c3d4d53be32a6044f555b9ffd5c22d50e001502654889fa9be01766f54381d65d1c",
    "signer": "0x82eD4826B35d420aDD935299579192Ce1e0951a2",
    "userId": "371339529"
  }
}