{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70499",
    "entityType": "User",
    "nonce": "0x2a8416fc552d985010867e3d44c70a8234c5edd36c762d9535558f47ce3de473",
    "signature": "0x5e8498f11c6c9ea81d79368301f923945ff5cdc0641204d8ed55eeb72054408a6ac492374e425f8f7cb1d202db1770bff343d2df6f7a9ab752daa5b1897ca2da1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}