{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5e5e7c9440890278276a955e785d87089846f7db5b239d31c3d52a193d4d2a5c",
    "signature": "0xe3e5f2c26edf40f67fa348c06d273723f9d2d2fb235b18f9cd7dcba13961ad6240824e474823be3386252b9552594bb0af4a7a5e183f2c65d529c0da0e5e721a1c",
    "signer": "0x5014C4C1E59E1e73EdbeD4B67aB172a636C10747",
    "userId": "365911367"
  }
}