{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x75e47705295ad6f37df3176fee3190a769f5fd6362ea2f7e0b84fc74b3c3cd0e",
    "signature": "0xbb703d65a25a09f338b89cd9487f22d5c077fb270255475bcfd602f274a49e57171bb3d6577d7896a89665572892e2d14ec9bf85c0e71871c3da16eeba5741331b",
    "signer": "0x3872417aC9CCdc743F396f6d7A6872e91dB934d1",
    "userId": "701379462"
  }
}