{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0xf617c44c96db26f54bacdc6101045e181045b24f86cae3973a62899710d8a1c1",
    "signature": "0x74652b530c31f4e4a491da8192507b6f9da3b6468fcf2accd8dc368f9e96e4c6210b971f79ed0b48d0410978873fb609032141f625797a98e06528d5e1d0ef921c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}