{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xf3013080d8a7b171c5cf1416be701dadffbbdf299eec75bc5bb313e0258ce6f2",
    "signature": "0x39bcdf4a795c57c4a5c752d6dfde434f26a62f3b2823636ec1fa4a9bd304d51d05e240dfbf84979b2b408cae1a8fb0477affd9561acba10f29e129fb9bc44d301c",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}