{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129978",
    "entityType": "User",
    "nonce": "0x547c9576955d098db22cbb5a8d38078cb8373b4dd7e9cb518d5350b80bc851cd",
    "signature": "0xd2e806a6d0627d3decb5165a6161088c9b2519893a9a1974b9bdb10a1a062bdb012b7e482aca9f734626e3c6eaf3d9d532fe5f11322bc1e5a42eed17b032e2811b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}