{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141759",
    "entityType": "User",
    "nonce": "0x3b5858dc0254c1d343211f59702e8414ebc874a9fc545e5fd0936695f19a7dd6",
    "signature": "0xf309694cc069f31d8147ef609bbdbee7d972a073325193e814b210754731dc3c2b838acc71ec30e116e1cd4e53b6f45ad03d123b1bb02a0dc3830eaf2c10da611b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}