{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7d8dd828a8c9866714f4b0e9cbff7d92d32604f8d55644a9f1539e401cdddd68",
    "signature": "0x36d1bde41ba77599e062fc5986c7f514f20001b1da19655a87b66c46bdc58b6c1e59ba4880e0445e78e3642d5652d3014de6fb65f509574d3774c0203652ed631c",
    "signer": "0xc80006DE9A3D7a183683d544Dc02B6b4A7693840",
    "userId": "756315354"
  }
}