{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59542",
    "entityType": "User",
    "nonce": "0xa29c684fc1c15d960f1986a1094f9fd868f112a5beb6ac18db2182bea5592450",
    "signature": "0x420876a20ced6e406a15c344e55c61acce18a436a0d0d5a0dd9773471f73c7677c66fa36b08e047025e69817cdf36b30dd1ff3f6af7726ea008bc33b6a0e30c31c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}