{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128049022",
    "entityType": "User",
    "nonce": "0x3c5be91d5d3d1bd4c19908467637d477578b5fe1c912c682603b5959d994c476",
    "signature": "0x9dce7aec9e3b55d76ab83ed1d59b1d9840e02d05f6ab1c4d471877ee1100b8730f884a17688c1e6d265e85816ac428835f77970977801d8ac4a44dcd4988287d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}