{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162",
    "entityType": "User",
    "nonce": "0x5c904f41cf83c935cb1d07a5d325affe44c58630556067a0feed64e223e9e73f",
    "signature": "0xc623bdc91830aa913ff0463b6cb599afb2c09b0524a7103f732b8e61e89965153e1b71c316d3f7270091569ac73241819d28fd64813833171a0d89b7842beef61c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}