{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xf88b7721f579260454897deded8b070ea9a70da1ba00aea722de50dd94114776",
    "signature": "0xa61d7d17fdbe56b1bcc39e51f5f493226fa4b1e690c1b2c4423b7c59eb476a4c12a1133eea55239805f665f5de3b31c4749ab7e6c68d36c55d5e2301e85e51791c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}