{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x2aa8f7941d714db4026af3f5cc64b71647b53944245f9df3d6fe9c5dabf963c2",
    "signature": "0x939f7e778dca15a043ebb048b84cac5f5be1355aea15360cda5c32f6b5c6c71f7dc5736ca029f827de05a35458bfd1ef05a1b461577a35f048c8a6e4d6eac7611c",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}