{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "387176254",
    "entityType": "User",
    "nonce": "0xa6926243e8da62d0c82d6425cb4feab1bbdd063cd8547d3d824129ea7dee68e7",
    "signature": "0x6bd3fd04a95fb050d0ea054e2b02c358dce1bd630c2837d40f24b1d4a38bbe1867bb58b2ed2a1bdbddfc584c429f20351402b7567ac35c582fbd979f007ad3bf1b",
    "signer": "0x11CcC1780A1eAB81041616423a95759fB2e01e24",
    "userId": "93021379"
  }
}