{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "263191262",
    "entityType": "User",
    "nonce": "0xd3d0909d4f78bbf961fab4fec3834816fb9f2033b1c5405e9cf695f559f34fc0",
    "signature": "0x9f32a740f15a2e07cf51e6d18379378e39582fb402bfa09704fc0af0f137c72475d6666e3526739365e8880df530ed7e8f32ad3c4752bed5e53843852230d4621c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}