{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xa43f876423d89a97a80c0991e8320501d864c9cfad1e87ad442d82e14de4606c",
    "signature": "0xc539b9c93b0f0ea671eb556f0685cc291564d2eb54d24e5ec7a1a722151633cb08953ea0313941134e7dbe1d3bf5e985172a00b98fe31a44de0c64531d9267bd1c",
    "signer": "0xbAA633dfD19281ECC20a6b689F49CE8725d526Cc",
    "userId": "127651"
  }
}