{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306115",
    "entityType": "User",
    "nonce": "0x0a6f00d238ad98b99049b42d584e3900b539fc9e5e6594b61d1797b32ff0bd4c",
    "signature": "0x8e753badd66dabbfbfe632a7ebf1bbbb5db5fc4c56f46512bede1894ad1fc6b822609810bfe6d01299264222107c6c86237eff1ea37b97b62b27c8ea446ca50f1b",
    "signer": "0x47bF11DdE03594c25814c08592866D0B09eb566A",
    "userId": "597397433"
  }
}