{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "755263",
    "entityType": "User",
    "nonce": "0x6ec91ffae9810c56dfcfec943a158ada17831109f2868eec75ac1f46e1cff3ac",
    "signature": "0x2663a99e32f92c009452b5d9a902e3f36f1b78ea4e0e8f49a2a3e638da9d081711a40ec09f5fae215df6aca7d35fba47fb79521edcd6c874766052a64d874fa41c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}