{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88729",
    "entityType": "User",
    "nonce": "0xd7ca02312bfbe2232a00433b7b756a8f3f7d4eddf3e98bdf5e8d5136f071f70f",
    "signature": "0xa2a7c4df7ff86a55d14537880b014dbb9f29fc1beb1196681af85f063792fa033a76addfcb8fc1380ae66ac1a1214453d00cc2bb19f9dcc8f908904890af37ee1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}