{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0xd864c1eb9c4161aa4c761818ff7e3a008a54311b8286a7b20b17e4f24e1dac74",
    "signature": "0x1267817f9bd254e3299bf4c58994d1b6179c0bf34f7a12ba387b75f41cae53d75cd42f40b2d969a41bfb1d4d6ce8f8382c76d847504cf8a99e1c58b7e13e1bc51c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}