{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61711",
    "entityType": "User",
    "nonce": "0x44813720bba52af305e8c32704caf1d9810883dafd47f914acefabaf9d869b48",
    "signature": "0xb387c40ef5743adb97c5da4a8f28f16473c7ae1de5c82237d7be4d339915a76429be80ffa7f56e647e1c04f071defaf4bb84587fae9238207b695f046b95cb751b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}