{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x9d910edff26112e932e876c67aa1eac4c829591c6d2ac29e8ec34c661551bc2c",
    "signature": "0x000904fbbb9ead05706e7c408d09545ee36f6ac42b5309334aac11fc42637ce06fab93e1ccbcde9e71a31c987e1c3f5ac16007bf08b5927b967043f28d0674221b",
    "signer": "0x451d1Fcc610ac6c427d570E73Cb3641Acfa23b6b",
    "userId": "134623867"
  }
}