{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9962",
    "entityType": "User",
    "nonce": "0x030ee8fb9a0825e29a3b8c98071449f55e3f4002c5f7148fb720fb37f8198008",
    "signature": "0xc828494c25e522fc27112275c850be3992833ab99c052b04c4ee186474aded924af483946ee35a80ece10b4e2443738fc39b7f399c1f825e3d5dd5b31748faa71b",
    "signer": "0x195d9eE11400245E841C02c4b4288a90A8195e91",
    "userId": "103785872"
  }
}