{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41401",
    "entityType": "User",
    "nonce": "0xf32a5f0514191cec6c961c5dd7b619921032caf08111f48b4679fa7718c828f4",
    "signature": "0xaafe039158bf6f3a2443ea6502eb4ff000be2333547f88fb991070b925897633224c5d186ff3c3e38f0c71a144a1d1568923ed112f38fd14ef774fb07eec80411b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}