{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0xd0cdd762162346b95c12ce5886d466b3f19e451f596daa6eb06eb09629063140",
    "signature": "0xdd47102f1a885e4bbcc8f92d94b8cc6278679fc10c0689998c9ad77c3dec3ff05999c46002c8739c3ddd201896beffaffa03acc49bc4c8dbf20f539e9c31c4b01c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}