{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbf9fbc72179fd98ca3fc9f5eae0822f57ac0cdafb2a2e83fc53a6088adda7662",
    "signature": "0xa9bb905e7cbdfe43803d8abffe01f25e3d51587f2a3569b6475a2087b45def4b380b1e393a20070b4b71a66aae76c958e8611e398c20cca498577823afa24de61b",
    "signer": "0x796109b0DC0181B0809ce1A81e42f770Dc519016",
    "userId": "96706325"
  }
}