{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61893",
    "entityType": "User",
    "nonce": "0xffd196e3e5991e2bbfdca5f08b5e5f96a5186c14b1af3bfbe7e13813b1f4e7e0",
    "signature": "0x4e3b357b7a1aaeeb7b2024c52b1852d26b2e9d1f9a15f653c682d20904831e2e09ec3f266546870ae4069788dffca5e9bd4315cbec1fb6cb6b02ee857a14c0971b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}