{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "605664979",
    "entityType": "User",
    "nonce": "0x5e25e550c5dcba3e6bf23369e9723645dc28afc1215cc50b31f1de0ccd026b51",
    "signature": "0xd00cc309661ff53913c7ee8c87cc29f763486c4e05629ddded813a59d8dc0a801d0bf211553102c722f525463f2efd6da2b51fb674e16c1af937fbd22506dabe1c",
    "signer": "0xB63c8A7B935b55823f383e8f19B6207FB6b31168",
    "userId": "330374208"
  }
}