{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383394",
    "entityType": "User",
    "nonce": "0x62079abed83c20bd483d8118e1f8cc59a53064bea9737f912c7305117787d68a",
    "signature": "0x8d0841aeb30b294313163f5e14b96810645444c6cbac5b4f0fa66cd83a4918a624ce11e4ec55b18074a0b69c8cdf27ed80a9362ed185e8fbdd03ce6bb5e6f6ac1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}