{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x924a61c5d6ed4ceca6af0e533b3dfb93ff6e0730ad219ca1ca31ffe9297313da",
    "signature": "0x2892dcd7da50fefb27a71a5847d3f91b7cf6963b3621d0d15f13f039951d620a02e411e5640e45d1fca7996f43d3de2ca6a52c83e936cce441bb2766d689e5071c",
    "signer": "0x3e4953461b6671604B2E8fcD0BdB628DF4C16609",
    "userId": "167051786"
  }
}