{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xe8c7fa046b5d9b0bbc37aa03aca3e39680c5f19958fb9029cace4ff2bc460da3",
    "signature": "0x18bc269b80e8974a638dd2237579e967e62f46cea1368051767f434b86b419b7199a1d87995363191903c527a83d5395186a5553f27cc872ffa8b5ddd87fed301b",
    "signer": "0x030204c18e5923d8CAb041D245E7b85E4dAc2003",
    "userId": "626007525"
  }
}