{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128415",
    "entityType": "User",
    "nonce": "0x55c045797e01bc773328f9a0d9153387d015e34071af3b3ed30a8d6d12d899a0",
    "signature": "0xbb64948e47bc7756c2b350a3faf8450718fdc0cc83352519da920f005da7152f7eea51475b6887f41c944f72ea0dab6c0f7ba3a8dc0820f20d2b9e4d007ac2a61b",
    "signer": "0x67167AbC91859b34FAF160b2716EA8251977d1F0",
    "userId": "872410480"
  }
}