{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54937",
    "entityType": "User",
    "nonce": "0x0abe14a55bbcdaefbf73e74556b201fe56426b6c55fab20df7ca463aab477527",
    "signature": "0xa8d9de8ab86e9f593b5d54b749ca011eb0be8670bd53a2df38d90dbaace78a560ba4273184a307ab2fb36e5f9c70fcca81da153866687ec07178549fea9da8c01b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}