{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x9df57bbbf4532449318ea3ad699d9f7b60496cab0c51c9539c095ce997a62f35",
    "signature": "0xd8587db414724443ed251499a7692ee7aa5effc04e10876b57ba1ac72869f42a67b09cd11cbc4f536d5372bda45030d818956e39e3b9009c072b45294653bf231b",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}