{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "259268",
    "entityType": "User",
    "nonce": "0x06a0c9a421835abc9a84a3f8a4d8fae5f41a3e1cd8a7c9611c0dadcc60a68c32",
    "signature": "0xc5ca5e8fb018399ed7c0b72e5a29d5453eaa2295211080e5bcae1901cceaa89c0f9904aed3f076d1ee037ed5f99cdeaf9b1b20f454433a4bfa38150a9d1d5bac1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}