{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6453b51c0d25633c4925c6c5a2122d0aecf48906236d0da9fc9d5e013cc591a5",
    "signature": "0x477f2eb6ddc2ceb67392f2c33dbd7dd82638e426379ab8b4c4e79af0e9ef3122293dac05a753fa6efa4d05840b4590b71982f65f53222e06e1194501bfd3d2fa1c",
    "signer": "0xee60538C91785b28C36b54834B0f47A421E5d176",
    "userId": "801063782"
  }
}