{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62740",
    "entityType": "User",
    "nonce": "0x5db545e21442834a29ff88fd4474d459216744663c9d36dbfc06455c2a40e472",
    "signature": "0xfee8cd02cef5756275befaabb15167afb8c8304125332bfe297c97067e5dcc2068526d1b078b2cdaa11ef758fcc2fc0c473d4f29ea0f18e95b5f93614abb7d491b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}