{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52183100",
    "entityType": "User",
    "nonce": "0xedcac5e8b9d60bf795ea1f01707e1794b48cfe4724a8a52f44139b4abc5291c0",
    "signature": "0x15bc435a25e6b158a383fe7f5ecacd0e2fee7ab7533a3613900d317eed76783a7ec40dfed9ff5804794f3d1bdec98aeb07f286ada5344255f955f6fc2fe921be1b",
    "signer": "0xf75adc45948144ee7d18bD5B4AEf863989CB88E6",
    "userId": "798360139"
  }
}