{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "809803",
    "entityType": "User",
    "nonce": "0x0b75eae80da8b4b5f24b2f977ae8ef239bfac325594012518d6ea08ec3e02eb9",
    "signature": "0x79339737c4fcf1643972d1c003d8d24c5e72f4f8b9b102cf560ba3c1e07fac535d7ded236b3c6a0f66e7d0eebfbe8713880c04615f497c72178a45b2e5b13d9c1c",
    "signer": "0x720537125Aa4b451266209E0d508D7576a4bAF94",
    "userId": "942771296"
  }
}