{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0x6e113bbab5c7f998c376daa08bbb02eb7ea9e67359fc7dfe0a7ebf33476bd680",
    "signature": "0xee207df0dc9f2c12b574b39d6ef8179cb553b4721cc9f5b1d086b4c996442fc07279f15fc4bc0aedc5c66ec9e4854d9eeb57e912ddafd6068295e21dac0275821b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}