{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0x69314602710b85dc81a5b09a83f9d58ff15e5d6e5b5f17df80253694aa3dc9f9",
    "signature": "0xe4ed2852c3748263264e8601900a29294c5372d0de1b5b982632903c92ce79000a464e3badab6ad4d0c17f3ac0d7f7920497b13046a78972cc55330415a046431c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}