{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842627272",
    "entityType": "User",
    "nonce": "0x034bd5a6b42a420c416f35da0322997e9b878c2f602a310d67115e2bac796f5c",
    "signature": "0xd9e6a8572554f6583c5fdb4e9d03c99abf6c41e775892fa8b403adb2af766aa00fc205bc462f491e702bb9f838818edfd691d089601263b4d24c68a07595e1121c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}