{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6ec12f2b3656331ea6e6160e3a172ff46eafe3c114601e10c357fea115ee81a6",
    "signature": "0x0e2d1460360d401e8dc8235595bf1695e12590094da28d529a2e58e3965a20f53d594a53a3af283adf7c4224311cb4d7d2353f18c71c4f9b83a2bfa7d6d3aefe1c",
    "signer": "0x878707cfdc0962953A297B0b29fbF21606CB475F",
    "userId": "794985837"
  }
}