{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238180",
    "entityType": "User",
    "nonce": "0x2c90e63c411f0f91f1b0484ec1f43294dcdd16b09316173f8a086a5782f83aa3",
    "signature": "0x5fc31760c79146461bee6d5df99a5cab16ee7b05932cf7052b51ee8ab83ef75b428cf8f9493868866aa119613d2abf00d7f85fb53c83c6f8557bf5dfc391f63b1b",
    "signer": "0xd82c46a7AceA4E682FdF73597E02e8f442883CfA",
    "userId": "400115778"
  }
}