{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57937",
    "entityType": "User",
    "nonce": "0x3d5d702cff653d69c454d0f496555336bada8774c7e74b5f44ef1bd06c425d9e",
    "signature": "0x520f319146b0d6175c07482bd36438962bc5d3da53bde04903af03c18feb089274d6ab0c237ebb6ee23fb0941101e224991ddd2454bc2b66baee7704962f7b711b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}