{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134035",
    "entityType": "User",
    "nonce": "0x7e450cf0ebbcc5234977b95bc3d0b3ba3b9800c636e151dfacb7c55b5c12d86e",
    "signature": "0xc5b29f5b475f9921d7f26119f32f2b4cd3c1702c7c07be348298cc42871b519c2d3717eef6cdda91ca6dcf3b8d9d8dc1adf991eade7763668e8e5a295a72e8871c",
    "signer": "0xa6030211678990225Ac0a6a2862549d825e7A039",
    "userId": "543439291"
  }
}