{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83237",
    "entityType": "User",
    "nonce": "0x837b0e8c30efe5bda816b1f0a7bf901e514dd3dedd8d23d560a03de204fc2f75",
    "signature": "0xf53b6b15cb4b1fecb3d99b5b493592d9cbbd7495e63217b2729fda9da05bd1147dcde768c0a2eeada2e3ca27aab845ffb2544cae9ab5dcbb2358ecaf804cb6ed1c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}