{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "487028014",
    "entityType": "User",
    "nonce": "0x34aab7c7d310df15e3e82fd5902de4f590fb868ca7421e739017d887bf49525c",
    "signature": "0x93fd588d0efbcbad04900a7a815fdc2ea9713d464f419356a266c3dcfb073cf06bdb2c0efbe3598f1b82c36698c0007c15bee4389294389a4c8c2c8cc6e33dbb1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}