{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xc5448ece901fa02f6c3dff340435d9e4f0bad020b875eed1774da0acdcb10457",
    "signature": "0x4dae873a218c1b4a3068ae3e1bd5c6c78317ac17b1d17e24a0aa85e5492e1dc723ca72c9be5e1e90d9cb1363556ca95cbcc9f34d957cdf73017249dd4931a1fe1c",
    "signer": "0xc786b0E6aE89011A0e52f778f901D20eB6090FfD",
    "userId": "635883916"
  }
}