{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347139808",
    "entityType": "User",
    "nonce": "0x442d6af454da0b9dd8cb5ddac2f27a7541aa7dc04ced33ac6a13d8936bd5be7b",
    "signature": "0x233ed811275d716ba89d586a327a6cdd753de20be7687ed94c5843f563b85b584db14e1ee20f0045f8fad0b5a9cfd89401081137139b1d3ada1e0d8f536535591b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}