{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0xdc951634841a5bbf0f3e1bda56bd2abe238e7fc2204311de1db7a87333e022c3",
    "signature": "0x093c4edd92c37e40cef6f6f4aa1a593bb72f63789b8ee43cadd9cc75a80c09b865de5225bf1e5abc298f228aea7001e95e393c4b5c8deb55d08202680326fda51c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}