{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x1f7d14ee113d38ec0088d1f7653cd1af650562948defc0259824d09bb1d77fc3",
    "signature": "0x7a3cbbc788d8b5f6ca56ed289a1d2f1606ee73fb3e75cb14a3421f2d8a14809745f1bc3de5c0535a3e5ffe9f14bbfb7f35de005069bad0368a47b52017986d4c1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}