{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x7c6daca29ecaa0003c57e26c14933a3a1070eb2f6f93fe78a436694cfc3095f9",
    "signature": "0xc1df82190e4b0910d522ba4e50cb2b7f3f7d42f9f0b049093e95a496587d261154937d56ea762ef004c5942279751cbb47f54d59037f92af8b2b40786f847c331c",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}