{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0x78e43c559cc2054d857177e7fd30525383128b5927349f55ef6aa3075b4c06cc",
    "signature": "0xdd8118ca00e63aca6062f3da519ed2a10a929f74232a67ff5363437447efde54206ebda6bb5d3d0f6e6761e8adefb742ebb7ba84303289615e911d80e18e5eac1b",
    "signer": "0x44567269b2165376Bd13d6bECFDE4A02F3ef59AD",
    "userId": "49012201"
  }
}