{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0x6d370beb2fed29195404a22db0293dcfca6a1011b26f34893488c4ea25d57c72",
    "signature": "0x2049f3c6e587c59b7c850a5432bc994bc23b147b267e4f3b5ac370e5d44a00be4cde0f6868970f965fdf64d162d134eb77f16f3cb5625e7be8cb8cccdc2a53271b",
    "signer": "0x82b746AFd1E9c61a580FC20Bd4936Ef304EC9E33",
    "userId": "259655453"
  }
}