{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394326",
    "entityType": "User",
    "nonce": "0xec3503ff886d26e01cb4f886a8866b533c541125c5d079a165960079652430a9",
    "signature": "0x67cbe0381c7c79bb5a91abe6c86a6c0c98c013f83b53ce1e05ed4657996c149c7c26d9c517f50b8d5044cec7fedb058356c40fdc939b7b238135cf1e9bdeec751c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}