{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227970",
    "entityType": "User",
    "nonce": "0x8d5f22686f0fb0ffad168faf56620d9413e713df788cd1ea4347645699ada322",
    "signature": "0x95d4076f040d36dd3e8224d65039e2a90af199b28cb3703d128845fec6438ff748f1713ee6cb3c53a7cef3f4357edc2b1c94c475bfd245177bb51e48e330a2ee1c",
    "signer": "0x8eEbaC0c8b926729F8Dc288872A07cc9d08d8d8c",
    "userId": "42402405"
  }
}