{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230950",
    "entityType": "User",
    "nonce": "0xd016e65b5fdcecac1813f27cea77846c60d1dbcc5ab0a590d11f9d0d324f5ddf",
    "signature": "0x08efb1bfe491ba90562319c547f3f7660f33e014b8a8772b8348b46eea9e4834387487569495f40a9507535c3beaec7d7dd6010f21500216acb960ad0a8fb5831c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}