{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182534",
    "entityType": "User",
    "nonce": "0x43d58a98afa8b8e6453a540b341da0c5eb40ee287debc11acea98eb432b8b373",
    "signature": "0x7e6676a1727205eb01ab1722e4bec40854d64b63bb50130c38e0877f69ad80c8421f45d8107ba5734c9e5f4d5a4a698603a2861968ef9ab4e746257d0985646f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}