{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x69739c46598ca1873557531e45eb08c62aedb1061edd76f8380037daa50435fc",
    "signature": "0x0340dc98b1dc63e3796551b86c8bed4ddadab95152a985d4f975324d4ae4c48c0bc06eb31395f54fd5a2858df401f45cfb53cad4926b7b93c5a92e09e401626d1b",
    "signer": "0x5E525e13F169B08B94891FdbC996D3fF2740E9E9",
    "userId": "547631414"
  }
}