{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdc405c2366062c2c5d3a86942f05ddff44b9fee51d99101ae4a61d7d9f24157b",
    "signature": "0x2ca16f369377aaab0b780b751c8a2ce261d4f0ebcfb1b37e9b24a7979a0a31f34e40401dc7090c6379044e829164327c544a30e748d0c3b52024d997e648417e1c",
    "signer": "0xfe0812559692b402114f2E22b5680970591c3e39",
    "userId": "900235710"
  }
}