{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227159204",
    "entityType": "User",
    "nonce": "0x33bc07a0afabed767b5ae405f77e2cca66974bd9e6c0e1bc2faf7af9e936e64f",
    "signature": "0x65c2eed95bb45edb8c9da91c10230d43c78b9e22712ab4de57ffb4271f4c7ed37b0270fbad6b3cc1bd86720a65ea3b53668abaf6c07b48dfb0a7d1cf19c0316f1b",
    "signer": "0x038f9CA74f1De4A6D94d94c4C354E1F5B11fd38A",
    "userId": "453233591"
  }
}