{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x49dc81d6b6074891c67307cdcbefe55bd2a4fe0eb7d87fed9bcb53061b0e4779",
    "signature": "0x4c86e34d366b6cdacd560e77798c4a31728d04f0dd55f66831b64b33699069364ef360ba33cab01a41b362d1600e8f33aa15063ecc63afb9a1d3abdbe032120e1c",
    "signer": "0xfeBBAF2B7d9F5bE3DAA34bEe70259f61ac4aB836",
    "userId": "139146722"
  }
}