{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936815292",
    "entityType": "User",
    "nonce": "0x08788bb83c9b68cb8100f021ee38dffc66a500a39dbf41d10450a2def415240e",
    "signature": "0x672339cd476da6d5ae08a749797dda2043a75c9f878e5e6b36cefda79a4af9693ed680574621f57089b3e369d1d15f56b8e312bdc8875e6566f12da077b1bbbc1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}