{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85520",
    "entityType": "User",
    "nonce": "0x50fd3a24d6049c92c0dbd2fb10f02394e2ed5143bb905250635f334745b0325e",
    "signature": "0xd4d78df549acd0a429e7f949d5ecadc989d3ea5de5fb1ed2ea5035e1c1144b3031816c4aeb99922be3cc2cf3129ab6837f33a7d2081e8fb188504ee93e0d4d5a1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}