{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x3ba1d26dfe4baa694a78d9b3c2676a67014ff6a5e34ccf8e3e349c4d4462a6f2",
    "signature": "0x957143ffa97bcfd3819554e179783dd07d9a6327b8b56f18eb820106d5c535d4597c06ac850d1d8f026c1b8216ad79b2aae753a1d6ad8617317975ba02b716551b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}