{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547197159",
    "entityType": "User",
    "nonce": "0x199f1178e2f673e72fed0fdb21883cb843d314d7d5d4928f6e2340cf1371eba9",
    "signature": "0x6929169a2accd70eed26b8e70def966b58145919b71d3e0ebbcbefe8501274fe059e019a97e34595d106ff233440f2f65c99e07bb38b01cf79b702fb30fee5b91c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}