{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13872",
    "entityType": "User",
    "nonce": "0x46bd8eec41bd5a6bb4e2b3539b1e0c59d1de928864653f5998eef3a4879bb81f",
    "signature": "0xea5eec84d4884eeb30a9ec69b46b0f0f825f31f620273ac8c97157d5a65b8407458a72de35158a782490d12a29c47b7a2e588a64523901b348611ec88b84ed551c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}