{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994858715",
    "entityType": "User",
    "nonce": "0xbc0738d228e5eae3033122ad19b3f2f8ea71fed0f5d9009168bb09a79b1fd703",
    "signature": "0x2958f8f42751c47e35ef9e4094ab3697326d70398bf4948971375e71f83ec47e54be7e12d45c929a045dc771adc4260a3a4c188129281b02cfcea2992c97e1211c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}