{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860824080",
    "entityType": "User",
    "nonce": "0x20fca7bade1e23b345b302f1701271ad8050c32335ad987f54c20e26a2e6a0e1",
    "signature": "0xad315387d34ea6a7141125b013f18644e4faf07138f94c8cf5fab92603d6141d76c092583bbeb849f1a8cd80836bb17aa6035a2f900753082e8981e2f85af3001c",
    "signer": "0xb15e0969937058c681E67343137f40F72F50d99F",
    "userId": "790717795"
  }
}