{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1931557",
    "entityType": "User",
    "nonce": "0x80e12bbadad3f40b48d1cb407c57c1e2bddac0d2ce3fd558f0bf5b85e3ed4df1",
    "signature": "0xea1afd15791e7007bfed93dbf7ea87770de7e69863e6b55247784568687229112252a848aac063e53cf8d0a88e20500618690181a27e5103277cfb79d4b3adc21c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}