{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43754840",
    "entityType": "User",
    "nonce": "0xaabfb3ac07c8790920eae7e60f5b6c04dfe1b4696c1ec130bf26eef33b13c3b0",
    "signature": "0x37c07ec336dc31b617b43e3ee1dd775497306f00c4d10612169015d131a7f073481df0dd6fbef10384bafbdd262d56383884b2c50bcef52013130b706b71a4f21b",
    "signer": "0x018849A3d6594093B7646022836BaaDF36aA36Ad",
    "userId": "702391481"
  }
}