{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0xaa7ddacfffa7bfd194d51bb04056d8b2175cfc0f64dce7c068060228ce6a102c",
    "signature": "0x5248f8423479e32e392f7609a83280668715e23d8dc75a674d2e27dc0a98031c37f14753077178fbd68ba40ea85d61104520a4226371839abfa6fe19e584220f1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}