{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x9e12776538f546e7d8132ca4ee1c59f5fc25ae525fc83944f71aafc52e2131c5",
    "signature": "0xd49cacc2bba0265d2c11639cdb45f12dbd3865941182598bdf16412948052753485070d5d4d33b1633a772e2b2ae0d2dbcd3009e8cd649ea595bd19a592e6d751b",
    "signer": "0x92632D7BE74bA47022399097665C226D2833ab2C",
    "userId": "327722"
  }
}