{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0xba35abd7e8ebc85d96ca9fdf514feedbd71fa6b870b1a91fcce3d00dd178ccf5",
    "signature": "0x6866d0b62a817bf78d72fcaae2fd8fc7fb8100645e32fbd59da0260ff08c845c5d6d8d65b7eaa4be47c4c7e4f08a1fe69a21a754ed4a5294c6fbaab731b6502b1c",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}