{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56221",
    "entityType": "User",
    "nonce": "0x945028ea92f2afb8cabb68c68592cba24f4ccc0f4106a39a950db310e9cd16d0",
    "signature": "0x8e134485219cc3479c39a15b9ad3f7fceb39b9353bcb16361697de530d95f0f859c41b097537c7d567d0edd15c69a3d85535b4ba23cc922324c7355bea20ecc81c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}