{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcbc6a70e1c235c0b80e5864ed3a60d74276ec0563e58f36270657e37db355690",
    "signature": "0xb62b928e59ac9c6ff5128d247c31010a5a6a17595c7f4b57995bc028cc8d071b038d32e37a62f80a053d1886b6fabede53e0c4f34713ccd1a98e236aec6312fb1b",
    "signer": "0x3E36e195Ce269BFB1f0750Df76aC895712dd4F56",
    "userId": "635075239"
  }
}