{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x3ed42afffe75d81398f5cfbb776b0f4fcd175be31fe03bc45bb5e51dbd2f3322",
    "signature": "0x0cd1bc867ad910c92b422d17c6d0478be899edcd0b732fa6a9b5cbdb838796510ac3dd69bdeb7bca7588771d2abb8674ae926f365ecf23e88f0bf20b475913821b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}