{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117930509",
    "entityType": "User",
    "nonce": "0x28b0ac3419fce24d6eab2988398f2769b379da02edab8140eb70126e3888940a",
    "signature": "0xe179d1093db2eb29eb667708ab039e1efac4cc4f5fcd8d5aabc0f3205c05e47465809c52e272c5f084fd4caed14c6bc7bb65b20b2a28ee934ff42260af1bcdb71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}