{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x88cb4d9f97e1cf9a1edc3798ac252219227df7b74097bf4d8a5cc3d661c6be85",
    "signature": "0x8e4a9fcb36737d890eb505f8eb3265cb79ca05b13bf1926cb3bc08bf5b40aac847f0029b1c340028874de5d2f568ec288b7576e71d22c33f4debefbb73f75bf61b",
    "signer": "0x6ADF8527e00EE527aFA947B6Ad0b548b51592cAB",
    "userId": "581347276"
  }
}