{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49977",
    "entityType": "User",
    "nonce": "0x9fe9d55a80f41aea91ec14d28e4ea51ea970a98fdc38bfeac262a0f3d67b251b",
    "signature": "0x0c1c2126dc2887cfa7662976a6e5508e291264464df62ba74b8f9cb9c9c19efb0af270e15afc231e2b2b789dee0defe1e074e8321465c704094bf10fc0d4f1b31b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}