{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "862544054",
    "entityType": "User",
    "nonce": "0xa7a3868ef8aec7c7c8fd426d3bb57f2cde4ed2b04f12cac629e0f6402c109241",
    "signature": "0x63b87cc70a7a5026e9b84a7fa01decd9c0889ee1ec98b3f15424505933be05d219fbe56763366756202ee535f06bf4bb2cdae8d06c08a4530ade0652ebb99c0f1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}