{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149923072",
    "entityType": "User",
    "nonce": "0x7125b70215d3d5bed539eefbbe5ad9bbc4761d8ba3516ab2134e737672b3b249",
    "signature": "0x1bba017e20f3dd621dc46df8dea576540c25fc7da846be0c83d58475fb7596a33570784e7bc363f00dff11c04c9830127efe5ce29ff8a17685cecdd3981659271b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}