{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1979831",
    "entityType": "User",
    "nonce": "0xbba2d8a571d1b6eccf8bffb058cb360f90ebaf3e8c92786dca9a5b5d72a2da47",
    "signature": "0x2f30ad91a7ace4e35f46a29e491dbac66048849e231bbf27d90020fc592791db73538c4f42b34cfbb4dce491999758696fb25de0a2d53fb8d2dcdf94025c58611b",
    "signer": "0xA09C93F41C5Eea798006AF9F643B06777a6f9a96",
    "userId": "704608287"
  }
}