{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1317b865f83f073a237ebef339bcefd9519b46f3e492881a12f488c380ee4be6",
    "signature": "0xd4d76f890b073c43cbeccccd3fa08f3aa4fcee6234c393c49c009f31ca759e9a7c234132b0808a503f4f8a8e4087fbb3c327efe0d77bbe867b8124ac0b53504e1b",
    "signer": "0x5E525e13F169B08B94891FdbC996D3fF2740E9E9",
    "userId": "547631414"
  }
}