{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54292",
    "entityType": "User",
    "nonce": "0x0b430c2234ec25bde56aadb1ecbae503fb03caa2b6d3fb9d8843b7efa8b148fe",
    "signature": "0x3506b91becbab4c185d8608293c2ac2409c828d65adab6df8b6813bf44c3e3227afa1922999919843ce70849dbe4c884013641ddc76a1987604a83f934e45bc61c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}