{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1894938",
    "entityType": "User",
    "nonce": "0x46f37b06d5d7cfbf620d2031c2c9d359a91a41f2d660754b5c5db5d844a1acb8",
    "signature": "0xd9cffeb9f66d883c3aac15dc7cb66c03ab3af1a6d990d62f1131a015bc2520f501d44ef11a8884b3d8e6e415a34cb1f5841576d6998ad5e1996e7d55492558551c",
    "signer": "0x98aBF46FA2fe7ef0A664A4eaab55671972B9075a",
    "userId": "244050891"
  }
}