{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xc487fa6d802164da0e54f775df1d3a59ecfb257f22da52e650ce0c98e66006a7",
    "signature": "0xd770644a9177b1988b0f592d04e84033e40c55b51da26951cee949ca497bbc557e23cbf25a8f03d491d307db7f420ea1a00e09be09336864632550cc11bb1b871c",
    "signer": "0x1aA9cc552a00C91582594402085D7d3442Ea9DD9",
    "userId": "41889862"
  }
}