{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204524",
    "entityType": "User",
    "nonce": "0xb2aafa8fcca36eb3bc8e8c0f5983b9893ecddb7347ca0197e2abb2cfd10c9e01",
    "signature": "0x6d8dde50ea97ceaf85b11226bf5dda99d779dd02cef98a6aa4bf784123e245c80174e6ed92d22d4212772423c3823e8d8523b7427f764d891188d7d74c13698b1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}