{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x045aaecbac36321aea38bb387fcb25d376cf175d4ff4403fec0a958f4c2554b9",
    "signature": "0x3c4456f3bb1949e2cfac0809716394631efdc28ec1774111f69703b795edec0d3bf5a5ffda6ad9c99c913dec32b0fee3897cebb4a8b07f7cb3905e3e732b27ee1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}