{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa964613e4990226658b49247cef419039c40c71117868a22e2235306be4243d3",
    "signature": "0x4b3c63e5d4712d32b7a00d8c0989e29bc95eba17ac6e825a9eddc629e5b370375c25960993820ec8dc7698c8734a5330126b54b8264595ecd33fe71086a4c9c91c",
    "signer": "0xaB3cE462B93aaD5C33d048391D69BaBb2C628b27",
    "userId": "232727483"
  }
}