{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12694",
    "entityType": "User",
    "nonce": "0x6f4de1cf57641cd4a79edfb806ae6bb15b78d0ed6156802311102659c9fbcfa6",
    "signature": "0x26c0a65f756f0f8aee2ad8e26d1d6dadc705c8753231554929ae94b63811c1714e5b380d4254e2247823e99d5725fd4b7ed3f50a22a5fe5f465e7a83b747c7381b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}