{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135846",
    "entityType": "User",
    "nonce": "0x222110ebafa0b653b4582a60df2612063eda12d75e9c02a2acba819d31aada16",
    "signature": "0xf8ffe469d145bc16b6e018b4c63b0b149a76f8dab4492bdf4c2abc8490d3232e2c3a007be870ec745a0d2933e6ec5756484ec69c6716fd04df38725a9744e4971c",
    "signer": "0x0a8144ECcF9C2FCa51752b2ab83825956CFa652A",
    "userId": "344204229"
  }
}