{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38576",
    "entityType": "User",
    "nonce": "0x13ab56e92ba5eecfd99383a00b110b2f0d0ff4639c725bfeab12a638e374bfe2",
    "signature": "0x56b7f292e33e47299d0d2e46908e5193b24c3c473dd6586c320c5a35d86988ba20e16b3b40c543279715b31b9163d81ba8f156b146fbc327a5295c44754b8f841c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}